Vulnerability Details CVE-2021-22743
Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TCM 4351B installed on Tricon V11.3.x systems that could cause module reset when TCM receives malformed TriStation packets while the write-protect keyswitch is in the program position.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 17.2%
CVSS Severity
CVSS v3 Score 3.9
CVSS v2 Score 2.1
References
Products affected by CVE-2021-22743
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cpe:2.3:h:schneider-electric:tcm_4351b:-
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cpe:2.3:h:schneider-electric:triconex_model_3009_mp:-
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cpe:2.3:o:schneider-electric:tcm_4351b_firmware:11.3.0
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cpe:2.3:o:schneider-electric:tcm_4351b_firmware:11.4.0
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cpe:2.3:o:schneider-electric:tcm_4351b_firmware:11.5.0
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cpe:2.3:o:schneider-electric:tcm_4351b_firmware:11.7.0
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cpe:2.3:o:schneider-electric:triconex_model_3009_mp_firmware:11.3.0
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cpe:2.3:o:schneider-electric:triconex_model_3009_mp_firmware:11.4.0
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cpe:2.3:o:schneider-electric:triconex_model_3009_mp_firmware:11.5.0
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cpe:2.3:o:schneider-electric:triconex_model_3009_mp_firmware:11.7.0